Title bar command button for a touch-based user interface for a display screen



FIG. 1 is a front view of a first embodiment of a title bar command button for a touch-based user interface for a display screen showing the ornamental design thereof in accordance with the present invention;

FIG. 2 is a front view of a second embodiment thereof, but shown separately without the broken line environment for clarity of illustration;

FIG. 3 is a front view of a third embodiment thereof, but shown separately without the broken line environment for clarity of illustration; and,

FIG. 4 is a front view of a fourth embodiment thereof, but shown separately without the broken line environment for clarity of illustration.

The broken lines show a perimeter and unclaimed parts of the display screen for environmental and illustrative purposes only and do not form any part of the claimed design. 

The ornamental design for a title bar command button for a touch-based user interface for a display screen, as shown and described. 